<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
<form action="http://mobiletest.cmburl.cn/CmbBank_B2B/UI/NetPay/DoBusiness.ashx" method="post">
  <!--{"charset":"UTF-8","reqData":{"branchNo":"0010","dateTime":"20160622182921","httpMethod":"POST","merchantNo":"000474","noticeSerialNo":"201606238888888","noticeType":"BKPAY","noticeUrl":"https://www","param1":"aaa","param2":"bbb"},"sign":"8D1F43829E9F0BCAAA11A789E6C7DBB64E6022045C5B8BFFFBD512AE6D517187","signType":"RSA","version":"1.0"}-->
  <input type="text" name="jsonRequestData" style="width: 100%" value=''/>
  <br>
  <input type="text" name="charset" value='UTF-8'/>
  <button type="submit" formtarget="_blank">submit</button>
</form>
</body>
</html>